206906220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:760

約数の個数: 144

約数和(自身を含む): 659288448

約数和(自身を除く): 452382228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 47, 60, 74, 90, 94, 111, 141, 148, 180, 185, 188, 222, 235, 282, 333, 370, 423, 444, 470, 555, 564, 661, 666, 705, 740, 846, 940, 1110, 1322, 1332, 1410, 1665, 1692, 1739, 1983, 2115, 2220, 2644, 2820, 3305, 3330, 3478, 3966, 4230, 5217, 5949, 6610, 6660, 6956, 7932, 8460, 8695, 9915, 10434, 11898, 13220, 15651, 17390, 19830, 20868, 23796, 24457, 26085, 29745, 31067, 31302, 34780, 39660, 48914, 52170, 59490, 62134, 62604, 73371, 78255, 93201, 97828, 104340, 118980, 122285, 124268, 146742, 155335, 156510, 186402, 220113, 244570, 279603, 293484, 310670, 313020, 366855, 372804, 440226, 466005, 489140, 559206, 621340, 733710, 880452, 932010, 1100565, 1118412, 1149479, 1398015, 1467420, 1864020, 2201130, 2298958, 2796030, 3448437, 4402260, 4597916, 5592060, 5747395, 6896874, 10345311, 11494790, 13793748, 17242185, 20690622, 22989580, 34484370, 41381244, 51726555, 68968740, 103453110, 206906220]

約数ペア:

[(1, 206906220), (2, 103453110), (3, 68968740), (4, 51726555), (5, 41381244), (6, 34484370), (9, 22989580), (10, 20690622), (12, 17242185), (15, 13793748), (18, 11494790), (20, 10345311), (30, 6896874), (36, 5747395), (37, 5592060), (45, 4597916), (47, 4402260), (60, 3448437), (74, 2796030), (90, 2298958), (94, 2201130), (111, 1864020), (141, 1467420), (148, 1398015), (180, 1149479), (185, 1118412), (188, 1100565), (222, 932010), (235, 880452), (282, 733710), (333, 621340), (370, 559206), (423, 489140), (444, 466005), (470, 440226), (555, 372804), (564, 366855), (661, 313020), (666, 310670), (705, 293484), (740, 279603), (846, 244570), (940, 220113), (1110, 186402), (1322, 156510), (1332, 155335), (1410, 146742), (1665, 124268), (1692, 122285), (1739, 118980), (1983, 104340), (2115, 97828), (2220, 93201), (2644, 78255), (2820, 73371), (3305, 62604), (3330, 62134), (3478, 59490), (3966, 52170), (4230, 48914), (5217, 39660), (5949, 34780), (6610, 31302), (6660, 31067), (6956, 29745), (7932, 26085), (8460, 24457), (8695, 23796), (9915, 20868), (10434, 19830), (11898, 17390), (13220, 15651)]